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Finding the Fourth Proportional to 615,024.80, 922,537.20 and 363,082.40

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Solution

The fourth proportional to 615,024.80, 922,537.20 and 363,082.40 is: 544,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,024.80 : 922,537.20 = 363,082.40 : x
  2. Step 2: Convert to fraction form
    615,024.80/922,537.20 = 363,082.40/x
  3. Step 3: Cross multiply
    615,024.80x = 922,537.20 × 363,082.40
  4. Step 4: Simplify right side
    615,024.80x = 334,957,020,665.28
  5. Step 5: Solve for x
    x = 334,957,020,665.28/615,024.80
  6. Step 6: Final answer
    x = 544,623.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.